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![]() "John Rowland" wrote in message ... Charles Ellson wrote: On Wed, 23 Jul 2008 11:13:12 -0700 (PDT), Mr Thant wrote: On 23 Jul, 18:27, Tom Anderson wrote: As i mentioned then, there are cross-section diagrams of the CTRL which also show station humps, although i imagine this is less about saving energy and more about getting an otherwise very deep tunnel into shallow cut-and-cover stations. Crossrail vertical alignment diagram, showing tunnels dodged: http://www.crossrail.co.uk/80256B090053AF4C/Files/centralareaverticalalignment/$FILE/vertical+alignment.jpg There's an alternate version on the last page of this PDF, showing geology: http://billdocuments.crossrail.co.uk...ethodology.pdf Hmmm. I hope they've remembered all the other "pipework" that is down there. I hope they've remembered that half of the Connaught Tunnel is flooded! How flooded is it, anyway - ankle deep ? They did a walk-through a few weeks ago- we were on holiday, otherwise I could give an eye-witness account from my wife. Brian |
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